<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<style type="text/css">
			body {
				margin: 50px
			}
			#out {
				height: 100px;
				width: 100%;
				position: relative;
				overflow: hidden;
			}
			#mid {
				position: absolute;
				left: 50%;
				width: 1000px;
				margin-left: -500px;
				text-align: center;
			}
		</style>
	</head>
	<body>
		<div id="out">
			<div id="mid">
				<img src="http://i2.sinaimg.cn/blog/1/2008/0306/U2725P503T1D169F6DT20080822100708.jpg" width="500px"/>

			</div>
		</div>
	</body>
</html>